Connecticut · Half Marathon
Half Marathons in Connecticut
Connecticut currently has 11 upcoming half marathons with a confirmed date listed in RaceRove. They take place in Hartford, Colebrook, Cornwall and Danbury and elsewhere.
October (5), November (3) and September (2) are the busiest months on the calendar right now. Another 8 annual half marathons are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 11
- Active listings
- 19
- Cities with races
- 18
More ways to browse Connecticut
Upcoming half marathons in Connecticut
All 11 with a confirmed date, soonest first.
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Eversource Hartford Marathon, Half Marathon, Relay & Charity 5KHartford, CTMarathonHalf Marathon10K5K
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The Ridgefield Road Fest 50th Anniversary: 1/2 Marathon, 7-Miler, and Iris Fund 5KRidgefield, CTHalf Marathon5K7 Miles ~500 runners
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest half marathon events in Connecticut
By estimated field size across all distances at the event.
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Hartford MarathonHartford, CT Usually held in October · date not confirmedMarathonHalf5K ~10,000 runners
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Athletic Brewing Company Fairfield Road RacesFairfield, CT Usually held in June · date not confirmedHalf Marathon5KLucas Challenge (Half + 5K)Beer Mile +1 more ~5,000 runners
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UConn Health Half Marathon, 10K & 5K (on Iron Horse)Simsbury, CT Usually held in June · date not confirmedHalf Marathon10K5K ~1,200 runners
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Connecticut ChallengeSouthport, CT Usually held in July · date not confirmedHalf Marathon ~1,000 runners
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Mystic Half Marathon & 10KMystic, CT Usually held in May · date not confirmedHalf Marathon10KKids Run ~1,000 runners
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Ocean Beach / John & Jessie Kelley Half MarathonNew London, CT Usually held in August · date not confirmedHalf Marathon ~1,000 runners
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Shoreline Half MarathonMadison, CT Usually held in May · date not confirmedHalf Marathon ~600 runners
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Hangover Half Marathon & 5KBristol, CT Usually held in January · date not confirmedHalf Marathon5K ~500 runners
When half marathons happen in Connecticut
- April
- 1 upcoming race
- September
- 2 upcoming races
- October
- 5 upcoming races
- November
- 3 upcoming races
Connecticut cities with the most half marathons
- Hartford
- 1 upcoming race
- Colebrook
- 1 upcoming race
- Cornwall
- 1 upcoming race
- Danbury
- 1 upcoming race
- Litchfield
- 1 upcoming race
- Norwalk
- 1 upcoming race
- Old Greenwich
- 1 upcoming race
- Ridgefield
- 1 upcoming race
Annual events awaiting their next date
These half marathons are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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Hartford MarathonHartford, CT Usually held in October · date not confirmedMarathonHalf5K ~10,000 runners
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Athletic Brewing Company Fairfield Road RacesFairfield, CT Usually held in June · date not confirmedHalf Marathon5KLucas Challenge (Half + 5K)Beer Mile +1 more ~5,000 runners
-
UConn Health Half Marathon, 10K & 5K (on Iron Horse)Simsbury, CT Usually held in June · date not confirmedHalf Marathon10K5K ~1,200 runners
-
Connecticut ChallengeSouthport, CT Usually held in July · date not confirmedHalf Marathon ~1,000 runners
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Mystic Half Marathon & 10KMystic, CT Usually held in May · date not confirmedHalf Marathon10KKids Run ~1,000 runners
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Ocean Beach / John & Jessie Kelley Half MarathonNew London, CT Usually held in August · date not confirmedHalf Marathon ~1,000 runners
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Shoreline Half MarathonMadison, CT Usually held in May · date not confirmedHalf Marathon ~600 runners
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Hangover Half Marathon & 5KBristol, CT Usually held in January · date not confirmedHalf Marathon5K ~500 runners
Half Marathons in nearby states
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Half Marathons in Connecticut: common questions
- How many half marathons are there in Connecticut?
- RaceRove currently lists 11 upcoming half marathons in Connecticut with a confirmed date, plus 8 annual events whose next date hasn't been announced yet.
- How long is a half marathon?
- A half marathon is 13.1 miles (21.1 kilometres).
- Which Connecticut cities have the most half marathons?
- By upcoming events listed in RaceRove: Hartford (1), Colebrook (1), Cornwall (1), Danbury (1) and Litchfield (1).
- When is half marathon season in Connecticut?
- Of the upcoming half marathons listed, the busiest months are October (5), November (3) and September (2).
- What is the biggest half marathon in Connecticut?
- By estimated field size, the largest event with a half marathon listed in Connecticut is the Hartford Marathon, with about 10,000 runners across all of its distances.
Search every half marathon in Connecticut
Filter by month, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.